Add utf8_iterator::advance(CharCount, utf8_iterator end)
Add utf8_iterator::advance(CharCount, utf8_iterator end)

alexherbo2/kakoune,danr/kakoune,rstacruz/kakoune,jjthrash/kakoune,jjthrash/kakoune,alpha123/kakoune,jkonecny12/kakoune,Asenar/kakoune,mawww/kakoune,flavius/kakoune,Somasis/kakoune,jkonecny12/kakoune,danielma/kakoune,alpha123/kakoune,casimir/kakoune,ekie/kakoune,casimir/kakoune,xificurC/kakoune,danielma/kakoune,mawww/kakoune,zakgreant/kakoune,alexherbo2/kakoune,lenormf/kakoune,rstacruz/kakoune,occivink/kakoune,flavius/kakoune,Somasis/kakoune,danr/kakoune,rstacruz/kakoune,rstacruz/kakoune,lenormf/kakoune,flavius/kakoune,alpha123/kakoune,occivink/kakoune,jkonecny12/kakoune,casimir/kakoune,alexherbo2/kakoune,occivink/kakoune,jjthrash/kakoune,zakgreant/kakoune,mawww/kakoune,Asenar/kakoune,occivink/kakoune,xificurC/kakoune,mawww/kakoune,jjthrash/kakoune,flavius/kakoune,danielma/kakoune,danr/kakoune,xificurC/kakoune,danr/kakoune,elegios/kakoune,lenormf/kakoune,lenormf/kakoune,zakgreant/kakoune,Asenar/kakoune,ekie/kakoune,Somasis/kakoune,Asenar/kakoune,xificurC/kakoune,casimir/kakoune,ekie/kakoune,alpha123/kakoune,alexherbo2/kakoune,Somasis/kakoune,elegios/kakoune,ekie/kakoune,zakgreant/kakoune,jkonecny12/kakoune,elegios/kakoune,elegios/kakoune,danielma/kakoune